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How do you check with a limit plug gauge?

A clear step‑by‑step approach helps beginners inspect bores or internal threads with a limit plug gauge. First, try the go side: it must enter fully to confirm the part meets the lower limit. Next, test the no‑go side: it must not enter or only partially enter to show the part is within tolerance. Use proper seating and visual checks, and document results to ensure repeatable, reliable quality control.

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0.5-10mm Go/No-Go Drill Gauge Steel - Filetta
0.5-10mm Go/No-Go Drill Gauge Steel - Filetta

Take advantage of accurate diameter checks, a compact 0.5–10 mm range and robust steel construction to streamline drill verification in the workshop. Order the item directly via Metav Werkzeuge or consult our specialists for tailored advice. Drill Gauge MS910.501 — steel drill gauge, 0.5–10 mm range The Drill Gauge MS910.501 is a compact steel gauge designed for rapid identification and verification of drill diameters in workshop, tooling and inspection environments. Robust steel construction Measuring range 0.5–10 mm Steps every 0.1 mm for quick checks Compact size ideal for micro measurements Fast, reliable diameter checks that speed up inspection The instrument enables immediate validation of drill sizes, offering a measuring range of 0.5–10 mm with clear, regular increments of 0.1 mm for fast go/no-go decisions. This makes the tool particularly effective when time is critical: operators spend less time searching for the right drill and more time on machining. The compact form factor supports quick handling at the bench or next to a machine, reducing workflow interruptions and improving throughput. Built for repeatable precision and easy interpretation Constructed from steel for consistent dimensional stability and wear resistance, the gauge provides repeatable checks across many cycles of use. The regular step spacing simplifies visual comparison between the tool and the corresponding gauge slot, which is especially useful when a production line requires fast sampling rather than laboratory-level metrology. The simple mechanical design avoids electronics, so operation remains straightforward and maintenance demands are minimal while preserving dependable performance. Suited to micro work and small-scale quality control With its maximum measuring range of 10 mm, the gauge is classified in the micro category—ideal for fine mechanical and watchmaking tasks as well as routine checks in general machining where small-diameter drills are common. The tool supports quick decision-making during setup and run-time inspections, contributing to consistent part quality and fewer tool-change mistakes. Where traceable calibration is required, consultancy on calibration options can be provided to match workshop quality routines. Contact Metav Werkzeuge for procurement details, calibration options and application advice on the Filetta Drill Gauge MS910.501 — direct supply from Emmerich to the workshop bench. Technical data Article number: MS910.501 Manufacturer: Filetta Type: Drill gauge Facts Measuring range: 0.5–10 mm Step size: 0.1 mm Minimum: 0.5 mm Maximum: 10 mm Special features Material: Steel Application: Drill diameter verification Category: Gauges / Measuring pins FAQ What measuring range does this gauge cover? The gauge covers a range from 0.5 mm to 10 mm, making the Drill Gauge MS910.501 suitable for small-diameter drill checks. How fine are the increments on the gauge? Increments are 0.1 mm, which allows for quick visual checks and straightforward go/no-go comparison when verifying drill diameters. Is the gauge suitable for workshop use or only for metrology labs? Designed for practical workshop use, the Filetta drill gauge provides robust, repeatable checks ideal for bench and production environments. What material is the gauge made from? The gauge is made from steel, selected for dimensional stability and wear resistance under regular inspection cycles. Can the gauge be used during machine setup? Yes, the compact size and clear steps make the MS910.501 convenient for use during machine setup and routine sampling inspections. Manufacturer / Responsible: Schut Geometrische Meettechniek bv; Duinkerkenstraat 21; 9723 BN Groningen; The Netherlands; +31 50 5877877; schutnl@schut.com

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1 mm Limit Gauge Pin Go/No-Go Wear Measurement, Hardened Steel, DIN 7162 - Filetta
1 mm Limit Gauge Pin Go/No-Go Wear Measurement, Hardened Steel, DIN 7162 - Filetta

Benefit from a combination of hardened steel durability and conformity to DIN 7162, with a built‑in wear allowance on the go side that extends service life and maintains repeatable pass/fail decisions; order the limit gauge pin directly via Metav Werkzeuge or consult our specialists for application support. Limit gauge pin – hardened steel, DIN 7162 (Filetta) A limit gauge pin designed for rapid go/no‑go inspection in production and quality control, made to the DIN 7162 standard for consistent interchangeability and long‑term shop‑floor reliability Hardened steel construction Conforms to DIN 7162 Wear allowance on go side Faster pass/fail checks mean fewer production interruptions A compact, standards‑based gauge pin streamlines routine inspection by delivering clear go/no‑go decisions in one motion. The hardened construction reduces micro‑deformation under repeated contact, so checks stay reliable over thousands of cycles. For workshop managers this translates into shorter inspection times and fewer ambiguous measurements, supporting a predictable production flow and faster throughput. Durable design reduces inspection-related rework Built from hardened steel and specified to DIN tolerances, the pin resists wear that would otherwise necessitate early replacement. The incorporated wear allowance on the good (go) side compensates for gradual material loss, extending usable life and postponing recalibration or swap‑outs. Reduced tool turnover lowers maintenance interruptions and helps sustain inspection capacity on busy lines. Standards compliance supports traceability and interchangeability Conformance to DIN 7162 ensures that the pin mates with established limit gauge systems and that measured parts are judged against commonly accepted tolerances. The clear, repeatable geometry of the pin facilitates consistent judgement across operators and shifts, aiding quality documentation and supplier communication. Using standardised gauges simplifies audits and aligns measurement practice with industry expectations Speak to Metav Werkzeuge for application advice or to arrange supply of the Filetta limit gauge pin MS911.158 — call +49 2822 7131930 or e‑mail info@metav-werkzeuge.com for tailored recommendations Technical data Article number: MS911.158 Product name: Limit gauge pin Material: Hardened steel Standard: DIN 7162 Facts Mass / size designation: 1 SKU: MS911.158 Special features Wear allowance on go side Intended use: Go/no‑go inspection FAQ What is the primary application of this gauge pin? The Filetta limit gauge pin MS911.158 is intended for rapid go/no‑go checks in production and inspection environments, providing a clear pass or fail indicator for bore and pin checks. How does the wear allowance help in daily use? The wear allowance on the go side of the limit gauge pin compensates for gradual surface wear, prolonging the service life and maintaining reliable go/no‑go judgements over extended use. Is the pin compliant with recognised standards? Yes, the limit gauge pin MS911.158 is manufactured to DIN 7162, ensuring compatibility with standard limit gauge practices and facilitating exchangeability between tools. Manufacturer / Responsible: Schut Geometrische Meettechniek bv; Duinkerkenstraat 21; 9723 BN Groningen; The Netherlands; +31 50 5877877; schutnl@schut.com

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4 mm Limit Gauge Go/No-Go Wear Allowance, DIN 7162 - Filetta
4 mm Limit Gauge Go/No-Go Wear Allowance, DIN 7162 - Filetta

The hardened construction and conformity to DIN 7162 ensure reproducible acceptance checks, while the clearly indicated wear allowance on the go side supports long-term reliability. Combine robust material choice with standardised dimensions for consistent go/no‑go inspection; order the limit plug gauge directly via Metav Werkzeuge or consult its specialists for application advice. Filetta limit plug gauge — hardened steel, DIN 7162 A Filetta limit plug gauge designed for rapid go/no‑go checks of internal diameters, providing workshop-grade repeatability and a marked wear allowance for ongoing inspection integrity. Hardened steel construction DIN 7162 compliance Precision ground measuring pin Wear allowance on go side Dependable acceptance testing with hardened steel and standard conformity The gauge is manufactured from hardened steel, a material choice that resists surface deformation and maintains form under frequent use, which supports reproducible pass/fail decisions in production control. Conformity with DIN 7162 gives a clear normative basis for dimensioning and tolerances, reducing interpretation variations during inspection. The nominal size of 4 mm makes this item suitable for small bores and fine mechanical assemblies; the compact form factor simplifies handling while retaining the stiffness required for repeatable verification. How the wear allowance improves long‑term measurement reliability A distinctive characteristic is the wear allowance on the go side, which compensates for gradual material loss on the acceptance face and prolongs the interval between regrinds or replacements. The measuring pin is precision ground to present a stable reference surface for routine checks, so bench operators can rely on quick go/no‑go decisions without extensive setup. This targeted design reduces scrap risk and supports consistent quality control processes in small‑part production or inspection stations. Practical use and integration into workshop routines Constructed for straightforward bench use, the plug gauge fits into common inspection workflows and is compatible with existing go/no‑go procedures. The compact gauge is easy to store and retrieve, and the robust finish minimises maintenance needs. For quality systems, the clear marking of the wear allowance aids traceability in service records and in planning maintenance cycles, helping to maintain throughput without unexpected measurement drift. Choose Filetta's hardened steel limit plug gauge for reliable go/no‑go control and contact Metav Werkzeuge in Emmerich for order placement or technical consultation by phone or e‑mail Technical data Article number: MS911.164 Type: limit plug gauge Size: 4 mm Material: hardened steel Standard: DIN 7162 Facts SKU: MS911.164 Manufacturer: Filetta Special features Wear allowance on go side Precision ground measuring pin Intended for internal diameter acceptance testing FAQ What is the primary application of this limit plug gauge? The Filetta limit plug gauge is intended for quick go/no‑go verification of internal diameters, providing a pass/fail reference for small bores and fine mechanical parts. How does the wear allowance affect service life? The marked wear allowance on the go side extends the usable life of the gauge by compensating for gradual wear, helping to delay regrinding or replacement while maintaining acceptance criteria. Is the gauge suitable for laboratory calibration or only shop use? Manufactured from hardened steel and finished by precision grinding, the gauge is appropriate for workshop inspection and routine quality control; calibration scope depends on the laboratory procedure chosen. Manufacturer / Responsible: Schut Geometrische Meettechniek bv; Duinkerkenstraat 21; 9723 BN Groningen; The Netherlands; +31 50 5877877; schutnl@schut.com

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4.5mm Limit Plug Gauge Wear Allowance, DIN 7162 - Filetta
4.5mm Limit Plug Gauge Wear Allowance, DIN 7162 - Filetta

The combination of robust hardened steel, conformity to DIN 7162 and a precise 4.5 mm nominal size ensures reliable pass/fail checks and long service life for small-bore inspection tasks; order the limit plug gauge directly via Metav Werkzeuge or consult our technical advisors for application-specific guidance. Limit plug gauge G7 – 4.5 mm, hardened steel by Filetta The Limit plug gauge G7 is a compact inspection pin designed for rapid go/no‑go acceptance testing of holes and bores in production and quality control settings. Hardened steel construction Conforms to DIN 7162 tolerance 4.5 mm nominal diameter Wear allowance on the go side Precision checks that speed up inspection A dedicated plug gauge built to DIN 7162 provides a straightforward, traceable method for go/no‑go assessment. The gauge’s 4.5 mm nominal size and G7 designation make it suitable for small-diameter bores where repeatable acceptance criteria are required. As a limit gauge, it converts geometric requirements into a tactile pass/fail verdict, reducing interpretation time during routine checks. The hardened construction maintains the calibrated profile over repeated use, supporting consistent process decisions and fewer downstream reworks. Robust design that reduces maintenance intervals Manufactured from hardened steel, the gauge resists premature wear in standard workshop environments, while the integrated wear allowance on the go side provides an engineered margin to extend useful life without compromising measurement integrity. This design choice lowers the frequency of replacements and conserves inspection resources, which translates into reduced process interruptions and predictable tooling budgets. The simple, single‑feature function of the instrument makes it a durable choice for shop‑floor verification and repetitive production control. Practical procurement and workshop integration The compact format and clear specification—listed under SKU MS911.165—enable easy stock management and fast identification in procurement systems. As a standardised acceptance tool, the plug gauge fits into established quality routines and can be used alongside other control artefacts to document conformity. Choosing a gauge from a recognised supplier supports traceability and aligns with systematic inspection plans; Metav’s distribution and inventory handling further simplify replenishment and selection for industrial and trade customers. Contact Metav Werkzeuge in Emmerich for availability and application advice on the Filetta limit plug gauge MS911.165 and to arrange delivery or technical consultation Technical data Article number: MS911.165 Material: hardened steel Nominal diameter: 4.5 mm Standard: DIN 7162 Facts Product type: limit plug gauge Designation: G7 Category: Gauges; Pin gauges Special features Wear allowance on the go side Compact inspection pin for small bores Suitable for routine go/no‑go acceptance testing FAQ What is the intended use of this limit plug gauge? The Filetta limit plug gauge MS911.165 is intended for quick go/no‑go checks of small bores to verify dimensional conformity to a specified tolerance class. How does the wear allowance affect service life? The built‑in wear allowance on the go side delays rejection due to normal surface wear, extending the practical lifetime of the gauge while maintaining reliable pass/fail decisions. Is the gauge suitable for use on finished components in production? Yes, the hardened‑steel construction and conformity to DIN 7162 make this limit plug gauge suitable for routine inspection of finished parts on the production line. Can this gauge be used for calibration or measurement recording? As a go/no‑go limit gauge, it serves as a conformity check rather than a measuring instrument for recorded dimensions; traceable gauge records should be maintained per internal quality procedures. Manufacturer / Responsible: Schut Geometrische Meettechniek bv; Duinkerkenstraat 21; 9723 BN Groningen; The Netherlands; +31 50 5877877; schutnl@schut.com

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5 mm Limit Pin Gauge Wear Allowance, DIN 7162 - Filetta
5 mm Limit Pin Gauge Wear Allowance, DIN 7162 - Filetta

The combination of hardened steel construction, conformity with DIN 7162, and a clearly defined wear allowance on the good side ensures reliable, repeatable go/no-go verification and long service life; order this gauge pin directly via Metav Werkzeuge or consult the Metav team for application advice. Limit gauge pin G7, 5 mm — Filetta Limit gauge pin for precision go/no-go checks and wear assessment in workshop and inspection environments. Hardened steel construction Conforms to DIN 7162 Wear allowance marked on good side Consistent pass/fail inspection for production routines The robust hardened steel body provides a stable reference surface that resists deformation under repeated use, supporting repeatable inspection results when used for go/no-go checks. Conformity with DIN 7162 gives a recognised benchmark for dimensional behaviour and interchangeability, so inspection processes can be standardised across machines and shifts. This reliability reduces rework, streamlines quality control and shortens inspection cycles in a busy workshop environment. Visible wear allowance aids maintenance planning A clearly indicated wear allowance on the good side makes it straightforward to monitor gauge condition and schedule replacements before limits are exceeded. The marked allowance functions as an operational guide for maintenance teams and enables conservative assessment of gauge life without complex measurement procedures. This feature supports predictable tool management, helping to avoid unexpected inspection failures and maintain traceable measurement practice. Compact form for fixtures and tight spaces With a nominal size of 5 mm, the pin is suited to tight-fixture applications and small-bore verification tasks common in jigs and measuring arrangements. The compact diameter enables use as a precision locating element or measuring pin where access is limited, while the hardened finish sustains surface integrity under frequent contact. As a limit gauge pin, it delivers a focused solution for dimensional control of small components and fit checks within assemblies. For precision go/no-go control rely on Filetta quality—contact Metav Werkzeuge for availability, technical advice and secure delivery to your workshop Technical data Article number: MS911.166 Manufacturer: Filetta Material: hardened steel Standard: DIN 7162 Measurements Nominal size: 5 mm Special features Wear allowance on the good side Category: measuring pins FAQ What is the intended use of this limit gauge pin? The limit gauge pin is designed for go/no-go verification and dimensional checks in workshop metrology; Filetta manufacture it to serve as a precise reference pin for small-bore and fit inspections. How does the wear allowance improve gauge management? A marked wear allowance on the good side provides a visual threshold for service life; when the allowance is reached the pin should be replaced to preserve measurement integrity. Is the product compliant with any standards? Yes, the pin complies with DIN 7162, ensuring standardised dimensional characteristics suitable for industrial inspection routines. Manufacturer / Responsible: Schut Geometrische Meettechniek bv; Duinkerkenstraat 21; 9723 BN Groningen; The Netherlands; +31 50 5877877; schutnl@schut.com

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5.5 mm Limit Gauge Pin With Wear Allowance, Hardened Steel, DIN 7162 - Filetta
5.5 mm Limit Gauge Pin With Wear Allowance, Hardened Steel, DIN 7162 - Filetta

Take advantage of the combination of hardened steel construction, DIN 7162 compliance and an integrated wear allowance on the Go side for dependable go/no-go checks in routine inspection. Order the Filetta limit plug gauge directly via Metav Werkzeuge or consult our specialists for application advice. Filetta Limit Plug Gauge G7 — Hardened steel, DIN 7162 A Limit plug gauge for rapid go/no-go verification of small bores during incoming inspection and process control. Hardened steel for long service life Complies with DIN 7162 inspection standard Wear allowance on the Go side Consistent dimensional checks for production quality The Filetta limit plug gauge delivers a compact, robust solution for fast pass/fail inspection of cylindrical bores. Manufactured from hardened steel, the gauge resists wear and maintains dimensional integrity under frequent use, which supports consistent precision in repetitive checks. Conformance with DIN 7162 ensures the gauge geometry and tolerances match established industrial expectations, simplifying documentation and traceability in standardised inspection routines. The incorporated wear allowance on the Go side extends service intervals by permitting controlled material removal while preserving functional acceptance limits. Practical benefits for shop-floor and inspection benches Designed for efficient routine use, this gauge streamlines the decision step between acceptable and non‑conforming workpieces with unmistakeable go/no-go feedback. The compact format suits bench inspection and dedicated control stations where speed and reliability matter; the simple plug engagement avoids time‑consuming measurements while reducing interpretation errors. As a tactile reference tool, the gauge complements digital instruments and micrometres by providing an immediate mechanical check that is quick to apply and straightforward to record in inspection logs. Durable design that lowers operational risk Material choice and standardised manufacture reduce uncertainty: hardened steel construction offers high wear resistance, while the standard compliance reduces the need for custom verification procedures. The wear allowance on the Go side is a practical feature that keeps the gauge serviceable for longer, lowering total cost of ownership and helping maintain process capability between calibrations. For workshops and production lines requiring reproducible go/no-go results, this gauge is a pragmatic component of a robust quality-control toolkit. Contact Metav Werkzeuge today to specify the right Filetta limit plug gauge (MS911.167) for the inspection tasks and to arrange delivery from Emmerich or further technical consultation Technical data Article number: MS911.167 Product: Limit plug gauge Material: Hardened steel Facts Size: 5.5 mm Standard: DIN 7162 Special features Wear allowance on the Go side FAQ What is the primary purpose of this limit plug gauge? The Filetta limit plug gauge MS911.167 is designed for quick go/no-go verification of small bores to determine conformity during incoming inspection and in-process checks. Which material is the gauge made from and why does it matter? Manufactured from hardened steel, the gauge resists wear and maintains dimensional stability, ensuring reliable pass/fail checks over extended use. Does the gauge follow a recognised standard? Yes. The gauge conforms to DIN 7162, which standardises geometry and tolerances for plug-style limit gauges used in industrial inspection. How does the wear allowance affect maintenance intervals? The built-in wear allowance on the Go side permits controlled degradation before the gauge reaches out-of-tolerance condition, extending usable life and reducing the frequency of replacement. Manufacturer / Responsible: Schut Geometrische Meettechniek bv; Duinkerkenstraat 21; 9723 BN Groningen; The Netherlands; +31 50 5877877; schutnl@schut.com

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8 mm Limit Plug Gauge Wear Side Measurement, Hardened Steel, DIN 7162 - Filetta
8 mm Limit Plug Gauge Wear Side Measurement, Hardened Steel, DIN 7162 - Filetta

Take advantage of a hardened steel construction and compliance with DIN 7162 to secure reliable go/no-go checks and predictable tool life; the integrated wear allowance on the datum face ensures continued conformity during repetitive use — order the gauge via Metav Werkzeuge or contact our consultants for application advice. Limit plug gauge G7, Ø 8 mm — hardened steel, DIN 7162 The Limit plug gauge G7 is a hardened-steel checking pin designed for fast dimensional inspections of holes and bores in production and inspection environments, conforming to DIN 7162 for consistent limit testing. Hardened steel construction Complies with DIN 7162 tolerance standard G7 limit fit for quick go/no-go testing Wear allowance on datum face Precise limit testing for production control The gauge provides a simple, repeatable method for pass/fail acceptance of bores, reducing measurement time on the shop floor. Built to the DIN 7162 guideline and marked for a G7 fit, the checking pin delivers clear go/no-go decisions that streamline quality routines. Relying on a fixed limit geometry removes interpretation variability and supports faster throughput in batch checks, while the compact design suits manual handling at inspection benches or assembly stations. Robust construction that withstands routine use Made from hardened steel, the mandrel offers resistance to wear and deformation under repeated contact. The incorporated wear allowance on the datum face compensates for gradual material loss, extending usable life and maintaining conformity between inspections. This durability translates into less downtime for replacements and a lower total cost of ownership compared with softer or plated designs, especially where regular mechanical gauging is part of the process. Traceable specification and simple integration into QC workflows Identified as MS911.170 and produced by Filetta, the gauge is straightforward to document within inspection plans and work instructions. The uncomplicated go/no-go principle requires no electrical hookup or data output, so the tool integrates seamlessly into manual or semi-automated checks. The combination of standardised tolerance adherence and a rugged profile supports clear process control and easier training of operators, which benefits both small workshops and larger production environments. Contact Metav Werkzeuge in Emmerich for application guidance and to source the Filetta limit plug gauge MS911.170 for your quality-control needs Technical Data Article number: MS911.170 Name: Limit plug gauge G7 Manufacturer: Filetta Standard: DIN 7162 Facts Nominal size: 8 mm Fit/tolerance: G7 Special features Material: hardened steel Wear allowance on datum face Application: go/no-go checking of holes and bores FAQ What type of inspection is this gauge intended for? The limit plug gauge is intended for quick go/no-go acceptance tests of bores and holes, enabling clear pass/fail checks during incoming inspection or in-process control with the Filetta MS911.170. Is the gauge suitable for continuous production use? Yes, the hardened steel construction and the wear allowance on the datum face make the gauge suitable for repetitive use in production environments where frequent verification of bore conformity is required. Does the gauge conform to a recognised standard? The limit plug gauge is manufactured to the requirements of DIN 7162, ensuring compatibility with common metrology practices and documentation in quality systems. How is the gauge identified within inspection documentation? The tool should be recorded as Filetta MS911.170, described as a G7 limit plug gauge, 8 mm, which simplifies traceability in inspection plans and process control records. Manufacturer / Responsible: Schut Geometrische Meettechniek bv; Duinkerkenstraat 21; 9723 BN Groningen; The Netherlands; +31 50 5877877; schutnl@schut.com

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Tolerancing Table ISO 286‑2 Reference Chart, Up to 500mm – Filetta
Tolerancing Table ISO 286‑2 Reference Chart, Up to 500mm – Filetta

Combine ISO 286‑2 compatibility with an instant lookup of more than 6,400 tolerance values for reliable design decisions and consistent inspection results — order the Tolerance table directly via Metav Werkzeuge or contact our consultants for tailored advice. Tolerance table — ISO 286‑2 reference chart (up to 500 mm) by Filetta The Tolerance table is a compact reference chart for immediate reading of tolerance values and fits according to ISO 286‑2, intended for engineering, quality control and workshop use. ISO 286‑2 compatibility up to 500 mm Over 6,400 tolerance entries Immediate reading for fits and tolerances Suitable for internal and external dimensions Faster decisions with standardised tolerance data The reference matrix provides a single, standardised source for clearance, transition and interference fits, reducing time spent searching dispersed tables. With direct mapping to ISO 286‑2 and coverage to 500 mm, the chart supports rapid verification of nominal sizes and tolerances, enabling engineers to confirm fit classes and tolerance zones without complex calculations. The compact presentation of tolerance values accelerates decision-making in design reviews and first-off inspections. Clear guidance for assemblies and inspection routines Presented as an immediate-reading table, the chart removes ambiguity when selecting shaft and hole tolerances for bearings, housings or shafts. The organised layout helps translate ISO class designations into usable limits for production and QC, so tolerance checks can be executed consistently on the shop floor. Where traceable documentation is needed, the dataset of 6,400+ entries serves as a reliable reference for specifying fits in drawings and inspection protocols. Practical benefits for workshops and design offices Adopting a single reference chart reduces errors caused by cross-referencing multiple sources and supports faster training of technicians and junior engineers. The concise format is optimised for routine tasks — from tolerance verification during assembly to prepare-for-inspection checks — and complements digital workflows where a human-readable standard is required alongside CAD and measurement reports. The association with Filetta denotes a focused tool for metrology professionals who value clarity and compliance. For standards-compliant tolerance reference and rapid integration into inspection routines, request the Filetta Tolerance table from Metav Werkzeuge today — contact our specialists at info@metav-werkzeuge.com or call +49 2822 7131930 to discuss suitability for specific applications. Technical Data Article number: MS835.163 Name: Tolerance table Brand: Filetta Label: Toleranztabelle Facts Standard: ISO 286‑2 Scope: up to 500 mm Entries: >6,400 tolerance values Special features Immediate-reading table of tolerance values and fits Includes internal and external dimensions Data suited to engineering and workshop reference FAQ What standard does this reference follow? The Filetta Tolerance table follows ISO 286‑2, providing standardised tolerance classes and zones for engineering use. Up to which nominal size are tolerance values provided? The chart covers nominal sizes up to 500 mm, with entries for both internal and external dimensions. How extensive is the dataset included in the chart? The reference contains more than 6,400 tolerance values for quickly determining fits and limits. Is this chart suitable for shop‑floor inspection tasks? Yes — the immediate‑reading format makes the chart suitable for routine inspection, assembly checks and specification clarification in the workshop. Can the table help when specifying fits on technical drawings? The dataset translates ISO class designations into practical limit values, supporting clear specification of fits and tolerances on drawings. Filetta: Manufacturer / Responsible: Schut Geometrische Meettechniek bv; Duinkerkenstraat 21; 9723 BN Groningen; The Netherlands; +31 50 5877877; schutnl@schut.com

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What a Limit Plug Gauge Is and What It Does

A Limit Plug Gauge is a precision inspection tool used in manufacturing to check the dimensional accuracy of bores and internal threads. It works on the simple go/no-go principle: the Go side must fit completely into the bore or thread, while the No-Go side must not enter or may only partially enter. This immediate binary result tells you whether a component is within the specified tolerances. Typical applications include series production, machine building and quality control where fast, repeatable decisions on part acceptance are required.

How to Prepare for a Correct Inspection

Before using the Limit Plug Gauge, ensure the workpiece and the gauge are clean, dry and free from burrs. Temperature can affect measurements, so allow both the gauge and the part to stabilise at a standard workshop temperature. Always select the correct tolerance class and the matching gauge size for the specification you are checking. If in doubt, consult the part drawing or specifications to identify whether you need a plain bore gauge or a thread-specific version. When handling the gauge, avoid touching measuring surfaces with bare hands to prevent contamination and wear.

Step-by-Step Method to Check a Bore or Thread

Begin by inserting the Go end of the gauge gently into the bore or internal thread. If the Go end passes fully and seats correctly, the minimum material condition is met. Next, attempt to insert the No-Go end: it must not pass fully into the bore or thread. If the No-Go end does not enter, the part is within tolerance. Conversely, if the No-Go end enters, the part is out of tolerance and should be rejected or reworked. For internal threads, ensure you align the gauge with the thread before engagement to avoid cross-threading or false readings. Repeat the test at the specified locations and orientations required by the inspection plan.

Why This Inspection Is Important and When to Use It

This inspection method answers the critical question: does the part meet the required inner dimensions or thread limits? Use a Limit Plug Gauge when you need a rapid go/no-go decision without complex measurement equipment. It’s especially valuable in high-volume production where speed and reproducibility are priorities. The benefit is clear—fast identification of non-conforming parts reduces scrap, prevents assembly issues and ensures components function correctly in their intended application.

Key Characteristics and How They Differ from Other Tools

  • Measurement Principle: Binary go/no-go result versus a numerical readout from micrometers or bore gauges.
  • Repeatability: Highly repeatable for quick acceptance checks.
  • Simplicity: No calibration of scale reading required on the shop floor; only gauge verification needed.
  • Application: Ideal for operational quality control, not for dimensional analysis where exact deviation numbers are required.
  • Comparison: Unlike a dial bore gauge or an internal micrometer, a limit plug gauge gives direct conformity decision-making rather than a measurement value.

Leading Manufacturers and Why Metav IndustryLine Stands Out

Several established manufacturers supply precision control gauges to industry. Among them, Metav IndustryLine is recognised for its extensive experience and technical competence in the field of limit gauges. The company provides norm-compliant, calibrated gauges and offers professional guidance to help you select the right gauge type and tolerance class for your process. Their strength lies in delivering robust, workshop-ready solutions and in offering support for integrating reliable inspection steps into production routines.

Practical Tips for Reliable Results

Keep gauges stored in protective cases to prevent damage. Periodically verify gauges against a master or calibration standard and maintain a traceable calibration schedule. When inspecting threads, check both the leading engagement and the seating; when inspecting bores, check at multiple depths if required by the drawing. Train operators on the proper handling and interpretation of go/no-go results to avoid inconsistent decisions that could impact quality.

Quick Summary and Final Takeaway

To answer the question "how do you check with a limit plug gauge?": insert the Go end—if it fits, the part meets the minimum requirement; try the No-Go end—if it does not fit, the part is within tolerance; otherwise reject or rework. In short: use the limit plug gauge for fast, definitive acceptance checks, follow cleaning and handling best practices, and rely on high-quality gauges like those from Metav IndustryLine to ensure accurate and repeatable inspection results.

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